Adaptive period estimation of a class of periodic random processes. - Joanna M. Spanjaard; Langford B. White (ICASSP, 1995)

Variable Shaft Rate Estimation and the Analysis of Nonstationary Signals from Rotating Machinery. - Joanna M. Spanjaard; Stephen D. Elton (ISSPA, 1996)

An extended Kalman filter for demodulation of polynomial phase signals. - Peter J. Kootsookos; Joanna M. Spanjaard (IEEE Signal Process. Lett., 1998)